William cahoon



(ModeL) W. GAHOON, JI'.

Compound Water U001: and SewerGasUut-Off'. No. 240,962. Patented May 3,1881.

, NITED STATES ATENT @FrrcE.

\V ILLIAM GAHOON,JR., OF CHICAGO, ILLINOIS, ASSIGNOR OF ONIIHALF TO \VALTER M. KEENAN, OF SAME PLACE.

COMPOUND WATER-COCK AND SEWER-GAS CUT-OFF.

SPECIFICATION forming part of Letters Patent No, 240,962, dated May 3, 1881.

Application filed February .24, 1881.

To all whom it may concern:

Be it known that 1, WILLIAM CAHOON, Jr., of Chicago, county of Cook, and State of Illinois, have invented certain. Improvements in Compound Water-Cocks and Sewer-Gas Gut- Offs, of which the following is a specification.

The object of my invention is to provide an apparatus for furnishing both hot and cold Water to wash-basins and absolutely cutting off the inflow of sewer-gas and other exhalations automatically by the very act of cutting ott' the inflow of pure water, either hot or cold, so that sewer-gas cannot be admitted through either ignorance or carelessness. The wastepipe leading to the sewer never being open, except when the stopper-plug is in place in the bottom of the basin for the purpose of filling the same, or when either the hot or cold water is flowing from the basin down through the waste-pipe into the sewer,it results that sewergas cannot find its way up into the basin and thence into the room at all. I have accomplished this object by means of the devices hereinafter fully described with reference to the accompanying drawings, in which Figure 1 represents an elevation of my device without the wash-basin and connectingpipes; Fig. 2, a horizontal cross-secti on of the same, taken as indicated by the broken line 5 5 in Fig. 1; Fig. 3, a like section taken as indicated by the broken line 6 6 in Fig. 1; and Fig. 4, an elevation of the said apparatus on a smaller scale, showing the water-basin and all the connecting-pipes fully.

B indicates the spindle, and A the handle by means of which the valve-cock cylinder L is revolved in its bearings and in its barrel or case F; (J, a spout-cap; D, the discharge-pipe, and E the supply-pipe. The barrel F is provided with pipe J, through which the waste water from the basin is discharged through the hole in its bottom into waste-pipe K, which leads it into the sewer, and above these two pipes, which are in the same horizontal plane, are the pipes G, P, and H, which are all in another like plane of their own. The pipe P admits the cold water and pipe H discharges the same into pipe Y, which connects it with supply-pipe E, an d thenceinto basin X through nozzle D. The said valve-cock cylinder per- (ModeL) forms a very important part in the operation of my apparatus.

In Fig. 2 is shown the single water-passage a through it at such a distance from its center that when the valve-cylinder L is turned horizontally it may be made to connect with either pipes G and H at the same time or with pipes P and H, the dotted lines in Fig. 2 indicating the position of the passage when in communication with P and H.

In the same plane with the pipes J and K are two other \vateriiassages, c and (1, making such an angle where they join and open into each other that when the valve-cock cylinder is turned into the position shown in Fig. 3 the passage (1 will communicate with pipes J and K at the same time; but they may be so turned that passage cmay communicate with the same pipes. The passages c and 01 should he made considerably larger than passage a, in order to secure a more rapid discharge of waste-water and facilitate the emptying of the basin. These two sets of pipes must be so arranged and located that K will be in the same vertical plane with pipe H, and J with G, so thatwhen passage (0 is in the position indicated by the broken line in Fig. 2 the cold water will flow from cold-water pipe P through pipe H and through connecting-pipe Y into the wash-basin X; but when the same passage is in the position shown by the solid lines in the same figure the hot water will flow into it through pipe G, and thence through pipe H, and. thence through pipeY into the basin just as the cold water does. By the two movements above described the passages c and d in Fig. 3 will be correspondingly changedthat is to say, when passage to occupies the position indicated by the broken line in Fig. 2, then passage c in Fig. 3 will occupy the position d now occupies 0 in that figure, and at will occupy the position indicated by the broken line in the same figureso that the waste water will readily find its way through either 0 or d out at K, accordingly as the passage to may be changed.

It will be observed that neither water nor gas can pass through a, c, or (1, except when one of these passages shall connect with one of the pipes P, G, H, J, or K, and that the action of the valve-cylinder L in admitting either 1 0o hot or cold water into the basin automatically prevents the inflow of gas from below, and when the water is turned off the gas is also turned on by the self-same movement, as before intimated. When the basin is full, and it is desired to empty the same, the water may be allowed to dribble out or escape slowly by turning the valve-cylinder slightly, and then, because the waste-pipe is so much larger than the supply-pipe, (and made so with that design,) the waste water will discharge so much faster than the basin will receive that the basin will rapidly empty, and then the pure water should be at once entirely cut 011'. The very fact that the water continues to run into the basin will serve as an infallible indicator or reminder that the water must be entirely cut off to prevent the inflow of gas from the sewer. When the water-passage a is turned 'into any other position than the one indicated by the solid lines, or into the one indicated by the broken lines in Fig. 2, there can be absolutely no communication from the sewer, and the admission of sewer-gas will be impossible.

WVhat I claim as my invention, and desire to secure by Letters Patent, is

l. The valve-cock cylinder L, provided with water-passages 0 and d, united at one end and making such an angle with each other that either the one or the other will always be in position to discharge the waste water through wastepipe K, whether passage a be so turned as to admit either the cold or the hot water into the basin, substantially as described.

2. The combination of the water-passage a and the water-passages c and d, made larger than passage a, adapted to empty the wash basin by merely allowing the pure water to dribble into it by turning the valve-cock cylinder slightly, and thus furnishing an indicator to prevent the leaving of the waste-passage open by negligence or ignorance, substantially as described.

W. (JAHOON, JR.

Witnesses: V

A. G. Orrs, W. M. KEENAN. 

